Home / 351,019,912.80-526,529,869.20-169,621,384.80

Finding the Fourth Proportional to 351,019,912.80, 526,529,869.20 and 169,621,384.80

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Solution

The fourth proportional to 351,019,912.80, 526,529,869.20 and 169,621,384.80 is: 254,432,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,019,912.80 : 526,529,869.20 = 169,621,384.80 : x
  2. Step 2: Convert to fraction form
    351,019,912.80/526,529,869.20 = 169,621,384.80/x
  3. Step 3: Cross multiply
    351,019,912.80x = 526,529,869.20 × 169,621,384.80
  4. Step 4: Simplify right side
    351,019,912.80x = 89,310,725,552,266,880
  5. Step 5: Solve for x
    x = 89,310,725,552,266,880/351,019,912.80
  6. Step 6: Final answer
    x = 254,432,077.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.